Hierarchical Modeling Scheme for High-Speed Electromagnetic Transient Simulations of Power Electronic Transformers

Modeling for Complex Modular Power Electronic Transformers Using Parallel Computing

“…In [3], the cascading of arms uses a lot of matrix operations, which slows down the simulation speed. A method with better performance is presented as follows.…”

“…Generally, the blocking state circuit is obtained by analyzing the operation states of the network. In [3] and [15], an additional blocking circuit is established to describe the blocking state dynamics. When the PET is blocked, the additional circuit will replace the normal operation circuit.…”

“…In [13], the circuit analysis is changed to a matrix solution, and the modeling method becomes applicable for arbitrary multi-port PMs. Relying on the research of [3], [14], and [15], the method in [14] is now applicable to various kinds of multiport PM topologies and can be used for PETs and other PE equipment.…”

Real-Time Simulation Modeling Method of Multiphase Converters Based on High-Order Approximation in Micro-grid

“…The scholars at home and abroad have conducted a lot of research on the modeling of multiphase converters, which can be divided into the following categories: detailed models (Chen et al, 2020;Pan et al, 2020;Ye et al, 2021), switching function models (Dimitrov et al, 2020;Jiang et al, 2021), average-value models (Hengsi Qin and Kimball, 2012;Peralta et al, 2012;Zhang et al, 2017;Feng et al, 2021), and other models (Andres, 2018;HuangXin et al, 2018). In the studies by (Chen et al, 2020;Pan et al, 2020;Ye et al, 2021), the authors present the application scope of the detailed models, switching function models, and average-value models of the controllable inverter.…”

“…In the studies by (Hengsi Qin and Kimball, 2012;Zhang et al, 2017), the continuous and discrete full-order average-models considering power loss are built based on the traditional average-value model of the DC-DC converter. In the study by (Feng et al, 2021), the authors point out that the common defect of the average-value model is that the system is averaged, which greatly reduces the accuracy in the steady state and cannot simulate the fault state. In addition, some authors have proposed many new modeling methods.…”